Related by context. Frequent words. (Click for all words.) 58 archeological artifacts 57 lithic 57 unexcavated 56 archeological 56 archaelogical 56 archeological sites 55 archaeological 55 Petroglyphs 55 prehistoric artifacts 55 limestone caves 55 archeological treasures 55 archaeological finds 54 Neolithic Age 53 archaeological artifacts 53 pottery fragments 53 archaeological sites 52 biodiversity hotspot 52 pre Incan 52 Archaeologists digging 52 archaeologically 51 placer deposits 51 excavated 51 burial mounds 51 paleontological 51 radiocarbon dated 51 Chaco Canyon 51 middens 50 petroglyph 50 pottery shards 50 flint tools 50 limestone quarries 50 Buddhist relics 50 artifacts 49 Harappan 49 Sassanid era 49 radiocarbon dates 49 phosphate mines 49 Excavated 49 Long Term Ecological 49 alluvial deposits 49 Zhoukoudian 49 Pre Columbian 49 prehistoric 49 coniferous forests 49 mineralized outcrops 48 saline aquifers 48 lateritic 48 petroglyphs 48 mammoth tusk 48 limestone formations 48 salinization 48 archaeological excavations 48 Cultural Landscape 48 depositional 48 cliff dwellings 48 dinosaur fossils 48 Uinta Basin 48 petrified wood 48 hominid fossils 48 sedimentary layers 47 Bighorn Basin 47 fossil specimens 47 temperate rainforest 47 LTER 47 Witwatersrand Basin 47 Archaeological Resources 47 Palaeolithic 47 Guiana Shield 47 Rio Puerco 47 Zagros Mountains 47 Deseado Massif 47 archeological digs 47 forested wetlands 47 alluvial soil 47 flora fauna 47 marine sediments 47 ceramic pottery 47 dinosaur footprints 47 biodiverse 47 archeological excavation 47 coastal sage scrub 47 Saskatchewan Athabasca Basin 47 Geological mapping 47 biologically diverse 47 burial grounds 47 goldmining 47 copper sulphide 47 pre Columbian 47 Basin Gulch 47 cultural heritage 47 riparian zones 47 biodiversity hotspots 47 redrock 47 wintering waterfowl 46 erosional 46 cenotes 46 Chihuahuan Desert 46 pristine forests 46 loess 46 Abydos 46 Jiroft